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25324000000 = 285613487
BaseRepresentation
bin10111100101011011…
…011001001100000000
32102100212120111020221
4113211123121030000
5403330421000000
615344513112424
71554360306535
oct274533311400
972325514227
1025324000000
11a815813022
124aa8b58714
1325076b82b0
141323406d8c
159d337261a
hex5e56d9300

25324000000 has 252 divisors, whose sum is σ = 68185689712. Its totient is φ = 9331200000.

The previous prime is 25323999997. The next prime is 25324000007. The reversal of 25324000000 is 42352.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (25324000007) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 51999757 + ... + 52000243.

Almost surely, 225324000000 is an apocalyptic number.

25324000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25324000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34092844856).

25324000000 is an abundant number, since it is smaller than the sum of its proper divisors (42861689712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25324000000 is an frugal number, since it uses more digits than its factorization.

25324000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

Adding to 25324000000 its reverse (42352), we get a palindrome (25324042352).

It can be divided in two parts, 25 and 324000000, that multiplied together give a 4-th power (8100000000 = 3004).

The spelling of 25324000000 in words is "twenty-five billion, three hundred twenty-four million", and thus it is an aban number.